ATI provides the following warranties on products: A 12-month warranty on new, serpentine head unit purchases. Warranty does not cover misuse or neglect. A 36-month head unit warranty option is available on new, complete systems with P-series head units. A limited warranty on cog drive, gear drive, or race head unit purchases. Limited means free of manufacturing defects upon receipt. 90-day limited warranty on serpentine head unit upgrades. 30-day limited warranty on serpentine head unit rebuilds/repairs. 90-day limited warranty on components purchased separately (excludes electrical and fuel components). 30-day limited warranty on electrical components and fuel components. 3-year limited warranty on new air-to-air intercoolers. 1-year limited warranty on new air-to-water intercoolers. Exceeding the published supercharger RPM, failure to follow service procedures, or using improper supercharger orientation will void the warranty. The ProCharger warranty applies to original purchaser only and is non-transferrable. Failure to use ProCharger-specified oil in head units and drives will void ProCharger manufacturer warranty. Wastegates, methanol injection kits, aftermarket intakes, etc. may cause damage to ProCharger supercharger, intercooler, or intake that will not be covered under warranty.